Display screen or portion thereof having a graphical user interface



A portion of the disclosure of this patent document contains materialwhich is subject to copyright protection. The copyright owner has noobjection to the facsimile reproduction by anyone of the patent documentor the patent disclosure, as it appears in the Patent and TrademarkOffice patent file or records, but otherwise reserves all copyrightrights whatsoever.

The FIGURE is a front view of a display screen or portion thereof havinga graphical user interface, showing the new design.

The dot-dashed broken lines depict boundaries of the display screen orportion thereof and form no part of the claimed design. The dashedbroken lines depict a device, portions of the display screen, andportions of the graphical user interface that form no part of theclaimed design.

CLAIM The ornamental design for a display screen or portion thereofhaving a graphical user interface, as shown and described.